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Lars-Peter Clausen8ec4cf52012-06-25 14:52:49 +02001/*
2 * AD7266/65 SPI ADC driver
3 *
4 * Copyright 2012 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2.
7 */
8
9#ifndef __IIO_ADC_AD7266_H__
10#define __IIO_ADC_AD7266_H__
11
12/**
13 * enum ad7266_range - AD7266 reference voltage range
14 * @AD7266_RANGE_VREF: Device is configured for input range 0V - VREF
15 * (RANGE pin set to low)
16 * @AD7266_RANGE_2VREF: Device is configured for input range 0V - 2VREF
17 * (RANGE pin set to high)
18 */
19enum ad7266_range {
20 AD7266_RANGE_VREF,
21 AD7266_RANGE_2VREF,
22};
23
24/**
25 * enum ad7266_mode - AD7266 sample mode
26 * @AD7266_MODE_DIFF: Device is configured for full differential mode
27 * (SGL/DIFF pin set to low, AD0 pin set to low)
28 * @AD7266_MODE_PSEUDO_DIFF: Device is configured for pseudo differential mode
29 * (SGL/DIFF pin set to low, AD0 pin set to high)
30 * @AD7266_MODE_SINGLE_ENDED: Device is configured for single-ended mode
31 * (SGL/DIFF pin set to high)
32 */
33enum ad7266_mode {
34 AD7266_MODE_DIFF,
35 AD7266_MODE_PSEUDO_DIFF,
36 AD7266_MODE_SINGLE_ENDED,
37};
38
39/**
40 * struct ad7266_platform_data - Platform data for the AD7266 driver
41 * @range: Reference voltage range the device is configured for
42 * @mode: Sample mode the device is configured for
43 * @fixed_addr: Whether the address pins are hard-wired
44 * @addr_gpios: GPIOs used for controlling the address pins, only used if
45 * fixed_addr is set to false.
46 */
47struct ad7266_platform_data {
48 enum ad7266_range range;
49 enum ad7266_mode mode;
50 bool fixed_addr;
51 unsigned int addr_gpios[3];
52};
53
54#endif